Question

-1+(-13) ; -15+(-2)

Answer 1

#1
$- 1 + ( - frac{1}{3} ) = - frac{3}{3} + ( - frac{1}{3}) = - frac{ 3}{3} - frac{1}{3} = - frac{4}{3} = - 1 frac{1}{3}$
#2

$- frac{1}{5} + ( - frac{2}{1}) = - frac{1}{5} + ( - frac{2}{1}) =- frac{1}{5} + (- frac{10}{5} ) = - frac{11}{5} = - 2 frac{1}{5}$